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Home >> Pontiac >> 2000 >> Grand Prix V6-3.1L VIN J >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> PCM Controlled Air Conditioning >> PCM Controlled A/C
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PCM Controlled A/C

This vehicle may be equipped with dual zone A/C (CJ2) system. This system is designed to provide a comfortable environment inside the passenger side, the dual zone A/C system is controlled by vacuum and electronic circuits. Both electronic and vacuum circuits determine air intake and discharge locations. PCM Controlled A/C operation is the same for either system. Refer to PCM Controlled Air Conditioning Description.